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Diffstat (limited to 'tests/fuzz/standalone_fuzz_target_runner.cc')
-rw-r--r-- | tests/fuzz/standalone_fuzz_target_runner.cc | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/tests/fuzz/standalone_fuzz_target_runner.cc b/tests/fuzz/standalone_fuzz_target_runner.cc new file mode 100644 index 000000000..9b2316ed6 --- /dev/null +++ b/tests/fuzz/standalone_fuzz_target_runner.cc @@ -0,0 +1,89 @@ +/*************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * Copyright (C) 2017, Max Dymond, <cmeister2@gmail.com>, et al. + * + * This software is licensed as described in the file COPYING, which + * you should have received as part of this distribution. The terms + * are also available at https://curl.haxx.se/docs/copyright.html. + * + * You may opt to use, copy, modify, merge, publish, distribute and/or sell + * copies of the Software, and permit persons to whom the Software is + * furnished to do so, under the terms of the COPYING file. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ***************************************************************************/ + +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> + +#include "testinput.h" + +/** + * Main procedure for standalone fuzzing engine. + * + * Reads filenames from the argument array. For each filename, read the file + * into memory and then call the fuzzing interface with the data. + */ +int main(int argc, char **argv) +{ + int ii; + FILE *infile; + uint8_t *buffer = NULL; + size_t buffer_len; + + for(ii = 1; ii < argc; ii++) { + /* Try and open the file. */ + infile = fopen(argv[ii], "rb"); + if(infile) { + printf("[%s] Open succeeded! \n", argv[ii]); + + /* Get the length of the file. */ + fseek(infile, 0L, SEEK_END); + buffer_len = ftell(infile); + + /* Reset the file indicator to the beginning of the file. */ + fseek(infile, 0L, SEEK_SET); + + /* Allocate a buffer for the file contents. */ + buffer = (uint8_t *)calloc(buffer_len, sizeof(uint8_t)); + if(buffer) { + /* Read all the text from the file into the buffer. */ + fread(buffer, sizeof(uint8_t), buffer_len, infile); + printf("[%s] Read %zu bytes, calling fuzzer\n", argv[ii], buffer_len); + + /* Call the fuzzer with the data. */ + LLVMFuzzerTestOneInput(buffer, buffer_len); + + printf("[%s] Fuzzing complete\n", argv[ii]); + + /* Free the buffer as it's no longer needed. */ + free(buffer); + buffer = NULL; + } + else + { + fprintf(stderr, + "[%s] Failed to allocate %zu bytes \n", + argv[ii], + buffer_len); + } + + /* Close the file as it's no longer needed. */ + fclose(infile); + infile = NULL; + } + else + { + /* Failed to open the file. Maybe wrong name or wrong permissions? */ + fprintf(stderr, "[%s] Open failed. \n", argv[ii]); + } + } +} |